<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>尚都的作业~~</title>
</head>
<body>
    <table border="1px" cellspacing="0" cellpadding="10px" align="center" >
        <tr>
            <th colspan="3">
                菜价单
            </th>

        </tr>
        <tr>
            <th rowspan="5">
                序号
            </th>
            
        </tr>
        <tr>
             <th>菜名</th>
             <th>菜价</th>           
        </tr>
        <tr>
            <td>白菜</td>
            <td>3￥</td>
        </tr>
        <tr>
            <td>青菜</td>
            <td>3￥</td>
        </tr>
        <tr>
            <td>芹菜</td>
            <td>3￥</td>
        </tr>
        
    </table>
</body>
</html>